Meet Our Advisors
Melissa Zepeda
Southern California, Southwest
Melissa Zepeda
Melissa Zepeda brings creativity, experience, and a deep passion for design to the Advisor team, with five successful years on Tournesol’s sales team. Known for her collaborative spirit and design-savvy mindset, she partners with landscape architects and designers to bring their visions to life—from concept to completion.
Her work shines in standout projects like the Hotel Del Coronado (Coronado, CA), The Park at Park Place (Irvine, CA), and PCH & MLK Affordable Housing (Long Beach, CA), along with many others throughout the Southwest region.
Outside of work, Melissa enjoys traveling with her family and staying curious. Reflecting on her professional journey, she shares, “As I continue to evolve in this industry,” she says, “I grow more eager to understand the processes, goals, and challenges of the built environment. I'm grateful to learn from so many talented people every day.”
Rana Sehrai
Northern California, Pacific Northwest, Mountain States
Rana Sehrai
We're excited to welcome Rana Sehrai to his new role as Business Development Manager for Northern California, the Pacific Northwest, and Mountain States. Rana brings experience and leadership to Tournesol, having been with the company for over 10 years. Rana has built a comprehensive understanding of the business through progressive roles, including Project Coordinator, Inside Sales, and Sales Operations Manager. In these positions, he successfully led both the Estimating and Project Advisor (PA) teams, strengthening internal collaboration and partner support.
Most recently, Rana has focused on guiding the PA team while working closely with contractor partners to adapt to evolving project needs. His deep product expertise, operational insight, and collaborative approach allow him to serve as a trusted advisor to both designers and contractors.
Known for building strong, long-term relationships, Rana combines hands-on experience with a practical understanding of real-world challenges, making him a valuable resource and advocate for partner success throughout the Pacific Northwest. At the end of 2025, Rana and his wife welcomed their new baby girl to their family and we are so happy for them - congratulations!
Henry Lyon
Northeast
Henry Lyon
Henry Lyon, a Bay Area native, has been immersed in the world of Tournesol from a young age—spending summers interning in the Union City facility and gaining hands-on experience in operations. Now, as an Advisor, he brings that deep-rooted familiarity and passion to his work, partnering with landscape architects and designers to help bring their visions to life. One of his most recent projects was at Jefferson Health Honickman Center in Philadelphia, PA. Whether it’s a streetscape, courtyard, or rooftop oasis, Henry is committed to helping create beautiful, functional environments that reflect both creativity and purpose.
A graduate of Boston College with a focus in Psychology and Linguistics, Henry combines thoughtful communication with a genuine curiosity about how people experience space. Outside of work, you’ll find him on the rugby pitch (a sport he played in college), out fishing, hitting the golf course, or diving into a good game of chess.
Mark Parra
Midwest
Mark Parra
Meet Mark Parra on our Advisor team, bringing his deep industry expertise to the Midwest region. With over 20 years of experience in building and architectural products, Mark knows what it takes to bring ambitious designs to life. He’s worked with industry leaders like Kingspan Benchmark, known for high-performance architectural panels, and El Dorado Stone, collaborating closely with architects, engineers, and contractors to drive projects to success from concept to completion.
What fuels Mark’s drive? “I’m constantly juggling a ton of different balls in the air, trying to keep all of them up at the same time… that’s what keeps me going every day,” he says. It’s that energy and adaptability that make him a perfect fit for the fast-paced, creative world of design and construction.
Based just outside of Chicago in the southwest suburbs, Mark enjoys life with his wife and kids and treasures their spontaneous family adventures. And if you're looking for fun facts—he’s got plenty. He once won $15K, has a knack for poker, and even spent time as a ski instructor. Let’s just say he’s always up for a challenge—on the slopes, at the table, or on the job site.
Troy Parsons
Midwest, South Central, Southeast, Northeast, Canada
Troy Parsons
Troy Parsons brings decades of industry expertise to the Advisor team, having spent three years on Tournesol’s sales team and 24 years before that in the distribution world, where he specialized in commercial landscape products—including Tournesol’s own. His deep product knowledge and hands-on experience have made him a key contributor to the success of major projects across both the Pacific Northwest and Southeastern U.S.
Troy thrives on partnering with landscape architects and designers to bring their creative visions to life. Known for his collaborative spirit and technical insight, he’s passionate about helping shape beautiful, functional outdoor spaces.
Outside of work, Troy channels that same passion for exploration into travel. Whether it's weekend getaways or global adventures, he and his wife love discovering new places. One of their most unforgettable journeys? A 2½-week photo safari through the Serengeti—“the trip of a lifetime,” as Troy describes it.
Ransom Mayfield
Northwest, Mountain States, California, Southwest
Ransom Mayfield
Since 2007, Ransom Mayfield has been Tournesol’s go-to expert on Green Facades and Green Wall systems. With a strong background in sustainable design, he supports successful green installations across the country. A LEED® Green Associate and graduate of UCLA Extension’s landscape architecture program, Ransom brings both technical expertise and creative vision to every project.
Before joining Greenscreen®, he worked for a landscape design-build firm and spent 15 years in the arts, including roles at MOCA and Track 16 Gallery—experience that continues to shape his design-forward approach.
A Los Angeles native and USC alum, Ransom enjoys catching live shows at the Hollywood Bowl and fueling his love for travel. One of his most memorable adventures? A year spent living in London after college—a formative experience that still inspires his passion for culture and place.
David Farber
Texas, Colorado, Oklahoma, Arkansas, Florida, Gulf Coast States
David Farber
Since joining the Business Development Team at Tournesol, David has quickly become a trusted Advisor, drawing on more than 15 years of experience in landscape architecture. His strong design sensibility and deep industry knowledge have already made an impact as he continues to grow our presence across Texas, Colorado, Oklahoma, Arkansas, and Louisiana, building meaningful relationships and supporting projects throughout the region.
A 2010 graduate of LSU’s Robert Reich School of Landscape Architecture, David has contributed to numerous award-winning projects across a broad spectrum—from vibrant streetscapes and civic plazas to university campuses, public parks, and private estates. His work is defined by meticulous attention to detail, deep design commitment, and a practitioner’s insight into the landscape architecture profession.
Having lived in New Jersey, Louisiana, Colorado, and now Texas, David has numerous connections throughout the U.S. He’s an avid outdoorsman who enjoys high-elevation hiking and camping, and he’s also a passionate geology enthusiast—frequenting both national and international fossil and mineral shows.
